S
M
T
W
T
F
S
26
84°
67°
27
83°
69°
28
84°
70°
29
83°
71°
30
84°
69°
1
80°
70°
2
81°
70°
3
81°
70°
4
80°
71°
5
80°
71°
6
81°
70°
7
80°
70°
8
80°
67°
9
81°
69°
10
80°
68°
11
79°
66°
12
79°
66°
13
78°
67°
14
79°
70°
15
79°
70°
16
80°
69°
17
79°
70°
18
79°
70°
19
80°
68°
20
78°
68°
21
78°
69°
22
79°
68°
23
79°
67°
24
80°
66°
25
78°
67°
26
78°
68°
27
79°
69°
28
79°
69°
29
78°
68°
30
79°
68°
31
78°
67°
1
78°
66°
2
79°
67°
3
80°
67°
4
81°
66°
5
82°
67°
6
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cairns City
Cairns City's May 2026 forecast shows daily high temperatures ranging from 78° to 84°, with overnight lows between 65° and 71°. The average high for May is 80° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Cairns City. See also: June | July | August.
